in English is:

slipperiness

Mutations

Soft:(no mutation)
Nasal:(no mutation)
Aspirate:(no mutation)

Use

yr hylithredd hwn
fy hylithredd i
dy hylithredd di
ei hylithredd ef/o
ei hylithredd hi
ein hylithredd ni
eich hylithredd chi
eu hylithredd nhw/hwy
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